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yan [13]
3 years ago
5

How many dollars does 3 bottles of water cost ?

Mathematics
1 answer:
Zinaida [17]3 years ago
3 0

Answer:

$7.5

Step-by-step explanation:

if we set up the proportion \frac{10}{4} =\frac{x}{3}   with cost on top and water bottles on bottom, we can divide  10/4 too get 2.5, which we can then multiply by 3 to get our x value, 7.5.

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